Why are the lights flickering on my GMC Yukon?

Why are the lights flickering on my GMC Yukon?

I’ve been dealing with a similar issue for YEARS on my 07 Yukon XL SLT. Have had the alternator changed twice because of it. All lights would randomly flicker at idle or sometimes driving with no rhyme or reason. Try wiggling the small wiring harness on the back of the alternator, left of the power lead.

Why are the lights flickering on my Chevy Tahoe?

All lights would randomly flicker at idle or sometimes driving with no rhyme or reason. Try wiggling the small wiring harness on the back of the alternator, left of the power lead. I was able to replicate the trouble by doing so and unplugging the harness got rid of the flickering lights.

How to stop LED light bulbs from flickering?

How to Stop LED Bulb Flickering. 1 Flickering LED lights. After switching to LEDs or when replacing a faulty LED lamp in some cases the LED light will start flickering. The intensity of 2 LED bulb on transformer flickers. 3 LED lights flicker on dimmer. 4 LED lights sometimes flicker. 5 LED lights flicker when switched on.

I’ve been dealing with a similar issue for YEARS on my 07 Yukon XL SLT. Have had the alternator changed twice because of it. All lights would randomly flicker at idle or sometimes driving with no rhyme or reason. Try wiggling the small wiring harness on the back of the alternator, left of the power lead.

All lights would randomly flicker at idle or sometimes driving with no rhyme or reason. Try wiggling the small wiring harness on the back of the alternator, left of the power lead. I was able to replicate the trouble by doing so and unplugging the harness got rid of the flickering lights.

Why are my headlights flickering on and off?

The real problem as it turns out was the voltage regulator inside the alternator as the factory ones are weak. This was an easy and inexpensive fix. Taditel and Transpo both make redesigned heavy duty voltage regulators for the factory AD244 130 amp alternator for under $20.

Why does my GMC Yukon make a ticking noise?

The dealer won’t even take it because they know the problem that they are dealing with. Started the motor in the morning noticed a light ticking noise come from the motor. Sounds like the lifters are tapping. The noise use to only be in the morning but now it is constant.

Are there any problems with the GMC Yukon?

GMC Yukon owners have reported 13 problems related to engine clicking and tapping noises (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Yukon based on all problems reported for the Yukon.

Why are the lights flickering on my 03 Denali?

On my 03 Denali, the headlights and interior lights flicker really bad at any given time. There is no rhyme or reason on when they flicker (like bumpy roads), but I know it drives me and the car in front of me nuts.

What does a flashing check engine light mean?

A flashing check engine light is your GMC Yukon’s way of saying “I have a serious problem, don’t ignore me”. Most of the time, that serious problem is a misfire. This flashing light should not be ignored. When your engine is misfiring, it is dumping raw fuel into the exhaust.